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1,9-Bis-(p-toluolsulfonyl)-4,4,5,6,6-pentaphenyl-4,6-diphospha-1,2,3,5,7,8,9-heptaaza-nonatetraen-(1,3,6,8) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17985-91-0

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17985-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17985-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,8 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17985-91:
(7*1)+(6*7)+(5*9)+(4*8)+(3*5)+(2*9)+(1*1)=160
160 % 10 = 0
So 17985-91-0 is a valid CAS Registry Number.

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